Then I guess I was just using a type of encryption that wasn't supported.
The providor I used was TripleDESCryptoServiceProvider. I wrote the encryption
a few years ago with Beta 2. Below is my code.
I would get the bytes of the string to encrypt by
Public Shared Function GetBytes(ByVal S As String) As Byte()
Dim UTF8 As New System.Text.UnicodeEncoding
Return UTF8.GetBytes(S)
End Function
then run this
Private Function EnCrypt(ByVal pKey As String, ByRef pData() As Byte) As
Byte()
Dim ICrypt As ICryptoTransform
Dim Provider As New TripleDESCryptoServiceProvider
Dim Key() As Byte
Dim IV() As Byte
Dim i As Long
Dim Ret() As Byte
Key = GenerateDesKey()
IV = GenerateIVkey(pKey)
ICrypt = Provider.CreateEncryptor(Key, IV)
'miv = IV
Ret = ICrypt.TransformFinalBlock(pData, 0, pData.GetLength(0))
Dim Ret2(Ret.Length - 1 + IV.Length) As Byte
For i = 0 To Ret.Length - 1
Ret2(i) = Ret(i)
Next
For i = Ret.Length To IV.Length - 1 + Ret.Length
Ret2(i) = IV(i - Ret.Length)
Next
EnCrypt = Ret2
End Function
and then I would convert the encrypted bytes to a string like so....
Public Shared Function GetString(ByVal B() As Byte) As String
Dim UTF8 As New System.Text.UnicodeEncoding
Return UTF8.GetString(B)
End Function
Notice that I left out part of the key functions....don't want to give tha
away :)
Message from Don Demsak <[EMAIL PROTECTED]>@DISCUSS.DEVELOP.COM received on
08/25/2005 10:44 AM
08/25/2005 10:44 AM
Don Demsak <[EMAIL PROTECTED]>@DISCUSS.DEVELOP.COM
Please respond to "Unmoderated discussion of advanced .NET topics."
<ADVANCED-DOTNET@DISCUSS.DEVELOP.COM>
Sent by "Unmoderated discussion of advanced .NET topics."
<ADVANCED-DOTNET@DISCUSS.DEVELOP.COM>
To: ADVANCED-DOTNET@DISCUSS.DEVELOP.COM
cc:
Subject: Re: [ADVANCED-DOTNET] Encrypted value in App.config
You can encrypt connection strings within config files, just not the whole
config file. I have a presentation and project that does just that:
http://donxml.com/presentations/EncryptedConnectionStringSolution.zip . I
typically use it to teach Object Oriented Design. If you want to skip all
the OO stuff you can use Carl Franklin's project:
http://weblogs.asp.net/cfranklin/archive/2004/03/18/91746.aspx The down side
to this solution is that it is machine dependent (the
encryption/decryption
must be done on the same machine).
Don
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